プログラミング de 落描き – ページ 694 – クリエイティブ・コーディングによる生成物とソース

2019年11月2日

Connect the coordinate. openFrameworks

[ Video ]

[ About ]
色を持つ座標を線で結ぶ。線がグラデーションに。

Connect the coordinate. Coordinate has color.

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void mouseEntered(int x, int y) {};
	void mouseExited(int x, int y) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	ofEasyCam cam;
	vector<ofMesh> mesh_list;
	float noise_seed;
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void mouseEntered(int x, int y) {};

void mouseExited(int x, int y) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

vector<ofMesh> mesh_list;

float noise_seed;

};

#include "ofApp.h"	

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(0);
	ofSetLineWidth(3);
	ofEnableDepthTest();
}

//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);

	this->mesh_list.clear();

	auto range = 120;
	auto span = 240;
	for (int x = -ofGetWidth() * 0.5; x <= ofGetWidth() * 0.5; x += span) {

		for (int y = -ofGetHeight() * 0.5; y <= ofGetHeight() * 0.5; y += span) {

			for (int z = -ofGetHeight() * 0.5; z <= ofGetHeight() * 0.5; z += span) {

				ofMesh mesh;
				mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
				for (int i = 0; i < 4; i++) {

					auto location = glm::vec3(
						x + ofMap(ofNoise(ofRandom(10000), this->noise_seed), 0, 1, -range * 0.5, range * 0.5),
						y + ofMap(ofNoise(ofRandom(10000), this->noise_seed), 0, 1, -range * 0.5, range * 0.5),
						z + ofMap(ofNoise(ofRandom(10000), this->noise_seed), 0, 1, -range * 0.5, range * 0.5));
					mesh.addVertex(location);
				}

				for (int i = 0; i < mesh.getVertices().size(); i++) {

					mesh.addIndex(i);
					mesh.addIndex((i + 1) % mesh.getVertices().size());
				}

				int hue = ofRandom(255);
				ofColor color;
				for (int i = 0; i < 4; i++) {
				
					color.setHsb((hue + i * 100) % 255, 200, 255);
					mesh.addColor(color);
				}

				this->mesh_list.push_back(mesh);
			}
		}
	}

	if (ofGetFrameNum() % 60 < 45) {

		this->noise_seed += ofMap(ofGetFrameNum() % 60, 0, 45, 0.03, 0);
	}
}

//--------------------------------------------------------------
void ofApp::draw() {

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.5);

	for (auto& mesh : this->mesh_list) {

		mesh.draw();
		for (int i = 0; i < mesh.getVertices().size(); i++) {

			ofSetColor(mesh.getColor(i));
			ofDrawSphere(mesh.getVertex(i), 6);
		}
	}

	this->cam.end();
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofSetLineWidth(3);

ofEnableDepthTest();

}

//--------------------------------------------------------------

void ofApp::update() {

ofSeedRandom(39);

this->mesh_list.clear();

auto range = 120;

auto span = 240;

for (int x = -ofGetWidth() * 0.5; x <= ofGetWidth() * 0.5; x += span) {

for (int y = -ofGetHeight() * 0.5; y <= ofGetHeight() * 0.5; y += span) {

for (int z = -ofGetHeight() * 0.5; z <= ofGetHeight() * 0.5; z += span) {

ofMesh mesh;

mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

for (int i = 0; i < 4; i++) {

auto location = glm::vec3(

x + ofMap(ofNoise(ofRandom(10000), this->noise_seed), 0, 1, -range * 0.5, range * 0.5),

y + ofMap(ofNoise(ofRandom(10000), this->noise_seed), 0, 1, -range * 0.5, range * 0.5),

z + ofMap(ofNoise(ofRandom(10000), this->noise_seed), 0, 1, -range * 0.5, range * 0.5));

mesh.addVertex(location);

}

for (int i = 0; i < mesh.getVertices().size(); i++) {

mesh.addIndex(i);

mesh.addIndex((i + 1) % mesh.getVertices().size());

}

int hue = ofRandom(255);

ofColor color;

for (int i = 0; i < 4; i++) {

color.setHsb((hue + i * 100) % 255, 200, 255);

mesh.addColor(color);

}

this->mesh_list.push_back(mesh);

}

if (ofGetFrameNum() % 60 < 45) {

this->noise_seed += ofMap(ofGetFrameNum() % 60, 0, 45, 0.03, 0);

}

//--------------------------------------------------------------

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

for (auto& mesh : this->mesh_list) {

mesh.draw();

for (int i = 0; i < mesh.getVertices().size(); i++) {

ofSetColor(mesh.getColor(i));

ofDrawSphere(mesh.getVertex(i), 6);

}

this->cam.end();

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191102

2019年11月1日2019年11月1日

Bend. openFrameworks

[ Video ]

[ About ]
板状のofMeshをグネグネと曲げる。

Bend.

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void mouseEntered(int x, int y) {};
	void mouseExited(int x, int y) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	ofEasyCam cam;
	ofMesh mesh;
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void mouseEntered(int x, int y) {};

void mouseExited(int x, int y) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

ofMesh mesh;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(30);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);
	ofSetColor(39);
	ofEnableDepthTest();
}

//--------------------------------------------------------------
void ofApp::update() {

	this->mesh.clear();

	auto span = 1;
	auto len = 16;
	for (auto x = -100; x < 100; x += span) {

		auto angle_1 = ofMap(ofNoise(abs(x) * 0.02 + ofGetFrameNum() * 0.03), 0, 1, -PI, PI);
		auto rotation_1 = glm::rotate(glm::mat4(), angle_1, glm::vec3(1, 0, 0));

		auto angle_2 = ofMap(ofNoise(abs(x + span) * 0.02 + ofGetFrameNum() * 0.03), 0, 1, -PI, PI);
		auto rotation_2 = glm::rotate(glm::mat4(), angle_2, glm::vec3(1, 0, 0));


		this->mesh.addVertex(glm::vec4(len * 0.5, x, 0, 0) * rotation_1);
		this->mesh.addVertex(glm::vec4(len * -0.5, x, 0, 0) * rotation_1);
		this->mesh.addVertex(glm::vec4(len * -0.5, x + span, 0, 0) * rotation_2);
		this->mesh.addVertex(glm::vec4(len * 0.5, x + span, 0, 0) * rotation_2);

		auto index = this->mesh.getVertices().size() - 1;

		this->mesh.addIndex(index - 3);
		this->mesh.addIndex(index - 2);
		this->mesh.addIndex(index);

		this->mesh.addIndex(index - 2);
		this->mesh.addIndex(index - 1);
		this->mesh.addIndex(index);
	}
}

//--------------------------------------------------------------
void ofApp::draw() {

	this->cam.begin();

	this->mesh.draw();

	this->cam.end();
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

ofEnableDepthTest();

}

//--------------------------------------------------------------

void ofApp::update() {

this->mesh.clear();

auto span = 1;

auto len = 16;

for (auto x = -100; x < 100; x += span) {

auto angle_1 = ofMap(ofNoise(abs(x) * 0.02 + ofGetFrameNum() * 0.03), 0, 1, -PI, PI);

auto rotation_1 = glm::rotate(glm::mat4(), angle_1, glm::vec3(1, 0, 0));

auto angle_2 = ofMap(ofNoise(abs(x + span) * 0.02 + ofGetFrameNum() * 0.03), 0, 1, -PI, PI);

auto rotation_2 = glm::rotate(glm::mat4(), angle_2, glm::vec3(1, 0, 0));

this->mesh.addVertex(glm::vec4(len * 0.5, x, 0, 0) * rotation_1);

this->mesh.addVertex(glm::vec4(len * -0.5, x, 0, 0) * rotation_1);

this->mesh.addVertex(glm::vec4(len * -0.5, x + span, 0, 0) * rotation_2);

this->mesh.addVertex(glm::vec4(len * 0.5, x + span, 0, 0) * rotation_2);

auto index = this->mesh.getVertices().size() - 1;

this->mesh.addIndex(index - 3);

this->mesh.addIndex(index - 2);

this->mesh.addIndex(index);

this->mesh.addIndex(index - 2);

this->mesh.addIndex(index - 1);

this->mesh.addIndex(index);

}

//--------------------------------------------------------------

void ofApp::draw() {

this->cam.begin();

this->mesh.draw();

this->cam.end();

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191101

2019年10月31日2019年10月31日

Stacking. openFrameworks

[ Video ]

[ About ]
積み重ね。

Stacking.

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void mouseEntered(int x, int y) {};
	void mouseExited(int x, int y) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	glm::vec2 make_point(int len, int param);

	vector<ofMesh> mesh_list;
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void mouseEntered(int x, int y) {};

void mouseExited(int x, int y) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

glm::vec2 make_point(int len, int param);

vector<ofMesh> mesh_list;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(30);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);
	ofSetBackgroundAuto(false);
	ofSetColor(239);
	ofNoFill();
}

//--------------------------------------------------------------
void ofApp::update() {

	this->mesh_list.clear();

	vector<ofColor> color_list = {ofColor(39), ofColor(239)};
	ofColor color_1, color_2;
	int len = 200;

	for (auto x = 120; x < 720; x += 240) {

		for (auto y = 120; y < 720; y += 240) {

			ofMesh mesh;
			color_1 = color_list[int(ofRandom(color_list.size()))];
			color_2 = color_list[int(ofRandom(color_list.size()))];

			int param = ofRandom(100);

			if (ofRandom(1) < 0.5) {

				mesh.addVertex(glm::vec3(x, y, 0) + glm::vec3(this->make_point(len, param), 0));
				mesh.addColor(color_1);
				mesh.addVertex(glm::vec3(x, y, 0) + glm::vec3(this->make_point(len, param + 2), 0));
				mesh.addColor(color_1);
				mesh.addVertex(glm::vec3(x, y, 0) + glm::vec3(this->make_point(len, 100 - param - 2), 0));
				mesh.addColor(color_2);
				mesh.addVertex(glm::vec3(x, y, 0) + glm::vec3(this->make_point(len, 100 - param), 0));
				mesh.addColor(color_2);
			}
			else {

				mesh.addVertex(glm::vec3(x, y, 0) + glm::vec3(this->make_point(len, param), 0));
				mesh.addColor(color_1);
				mesh.addVertex(glm::vec3(x, y, 0) + glm::vec3(this->make_point(len, param + 2), 0));
				mesh.addColor(color_1);
				mesh.addVertex(glm::vec3(x, y, 0) + glm::vec3(this->make_point(len, 75 - param + 75 - 2), 0));
				mesh.addColor(color_2);
				mesh.addVertex(glm::vec3(x, y, 0) + glm::vec3(this->make_point(len, 75 - param + 75), 0));
				mesh.addColor(color_2);
			}

			mesh.addIndex(0);
			mesh.addIndex(1);
			mesh.addIndex(3);

			mesh.addIndex(1);
			mesh.addIndex(2);
			mesh.addIndex(3);

			this->mesh_list.push_back(mesh);
		}
	}
}

//--------------------------------------------------------------
void ofApp::draw() {

	for (auto& mesh : this->mesh_list) {

		mesh.draw();

		ofBeginShape();
		for (auto& vertex : mesh.getVertices()) {

			ofVertex(vertex);
		}
		ofEndShape(true);
	}
}

//--------------------------------------------------------------
glm::vec2 ofApp::make_point(int len, int param) {

	param = param % 100;
	if (param < 25) {

		return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);
	}
	else if (param < 50) {

		return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));
	}
	else if (param < 75) {

		return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);
	}
	else {

		return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));
	}
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

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#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetBackgroundAuto(false);

ofSetColor(239);

ofNoFill();

}

//--------------------------------------------------------------

void ofApp::update() {

this->mesh_list.clear();

vector<ofColor> color_list = {ofColor(39), ofColor(239)};

ofColor color_1, color_2;

int len = 200;

for (auto x = 120; x < 720; x += 240) {

for (auto y = 120; y < 720; y += 240) {

ofMesh mesh;

color_1 = color_list[int(ofRandom(color_list.size()))];

color_2 = color_list[int(ofRandom(color_list.size()))];

int param = ofRandom(100);

if (ofRandom(1) < 0.5) {

mesh.addVertex(glm::vec3(x, y, 0) + glm::vec3(this->make_point(len, param), 0));

mesh.addColor(color_1);

mesh.addVertex(glm::vec3(x, y, 0) + glm::vec3(this->make_point(len, param + 2), 0));

mesh.addColor(color_1);

mesh.addVertex(glm::vec3(x, y, 0) + glm::vec3(this->make_point(len, 100 - param - 2), 0));

mesh.addColor(color_2);

mesh.addVertex(glm::vec3(x, y, 0) + glm::vec3(this->make_point(len, 100 - param), 0));

mesh.addColor(color_2);

}

else {

mesh.addVertex(glm::vec3(x, y, 0) + glm::vec3(this->make_point(len, param), 0));

mesh.addColor(color_1);

mesh.addVertex(glm::vec3(x, y, 0) + glm::vec3(this->make_point(len, param + 2), 0));

mesh.addColor(color_1);

mesh.addVertex(glm::vec3(x, y, 0) + glm::vec3(this->make_point(len, 75 - param + 75 - 2), 0));

mesh.addColor(color_2);

mesh.addVertex(glm::vec3(x, y, 0) + glm::vec3(this->make_point(len, 75 - param + 75), 0));

mesh.addColor(color_2);

}

mesh.addIndex(0);

mesh.addIndex(1);

mesh.addIndex(3);

mesh.addIndex(1);

mesh.addIndex(2);

mesh.addIndex(3);

this->mesh_list.push_back(mesh);

}

//--------------------------------------------------------------

void ofApp::draw() {

for (auto& mesh : this->mesh_list) {

mesh.draw();

ofBeginShape();

for (auto& vertex : mesh.getVertices()) {

ofVertex(vertex);

}

ofEndShape(true);

}

//--------------------------------------------------------------

glm::vec2 ofApp::make_point(int len, int param) {

param = param % 100;

if (param < 25) {

return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);

}

else if (param < 50) {

return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));

}

else if (param < 75) {

return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);

}

else {

return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191031

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